[vorbis-dev] ogg_sync_state with discontinuous codecs

[Arc]

Rillian pointed out something important tonight about needing support in 
libogg(2)... discontinuous bitstreams, which have the page granulepos 
equal the FIRST granule of the included content vs the last, will need 
Ogg to know about this so when packets get passed through ogg_stream_state 
the resulting page's granulepos is that of the FIRST packet.

I think this is going to take an API change for libogg2, either a 
seperate ogg_sync_state group (like was done with the packet buffer) or 
setting a flag when ogg_stream_create is called for wether it's 
continuous or discontinuous, ie:

extern ogg_stream_state *ogg_stream_create(int serialno);

changed to

extern ogg_stream_state *ogg_stream_create(int serialno, int discontinuous);

While a few lines in vorbose and py-ogg2 would need to be changed to do 
this, it seems like a good idea to implement such an API change now 
before more software is written.
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